MCQ
Which of the following statement pattern is a tautology?
- A(p v q) → q
- ✓p → (q v q)
- Cp v (q → p)
- D(p → q) v q
✓
Answer
Correct option: B.
p → (q v q)
B
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
At constant temperature, a quantity of an ideal gas occupies 50 mL at 500 mmHg pressure. At what pressure, the volume will be 100 mL?
The number of optical isomers possible for 3, 4-dichloropentan-2-ol is ______.
Five capacitors each of capacitance 'C' are connected as shown in the figure. The ratio of equivalent capacitance between P and R and the equivalent capacitance between P and Q is ______.
Development of communities on ______ is termed as primary succession.
How long would it take to electroplate a spoon with 0.1 mol of silver $(108 \mathrm{~g} / \mathrm{mol})$ at a constant current of 2.0 A using $\mathrm{AgNO}_3$
→The conversion of pyruvic acid to ______ is an oxidative decarboxylation reaction.
Reduction in number of ______ can cause clotting disorder, leading to excessive loss of blood from the body.
$\text{EAN}$ of Fe in $[Fe(CN)_6]^{4−}$ is equal to..........
→If $\int \frac{\cos x-\sin x}{8-\sin 2 x} dx =\frac{1}{ p } \log \left[\frac{3+\sin x+\cos x}{3-\sin x-\cos x}\right]+ c$ then $p =$
→$\int_0^4 \frac{1}{1+\sqrt{x}} dx =$
→